Family: Network Service
Over: udp
Revision: 1
Risk level: 1
Tag: Network Utilities
18.305. Cross Net Debugger
The xnet protocol (Cross Net Debugger) is found over the IP layer (IANA protocol number: 15).
Family: Network Service
Over: ip
Revision: 18
Risk level: 1
Tag: Not Used
18.306. Xerox Network Systems
Xerox Network Systems is a protocol suite originally designed by Xerox PARC. Many PC
networking companies such as Novell and 3Com used or currently use a variation of XNS as their
primary transport protocol stack.
Family: Network Service
Over: 8021q
Over: eth
Over: snap
Revision: 17
Risk level: 1
Tag: Network Utilities
18.307. XEROX NS IDP
The xns_idp protocol (XEROX NS IDP) is found over the IP layer (IANA protocol number: 22).
Family: Network Service
Over: ip
Revision: 18
Risk level: 1
Tag: Not Used
18.308. XTP
Xpress Transport Protocol (XTP) is a transport layer protocol for high-speed networks promoted
by the XTP Forum developed to replace TCP.
Family: Network Service
Over: ip
Revision: 2
Risk level: 1
Tag: Transport Layer Protocols
Chapter 18: Network Service
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